Welch Allyn 9600 Plus, Manual, Page: 31 / 118

Directions for Use Chapter 3 Operation 25
Troubleshooting inaccurate readings
1. Make sure that the sensor window is clean and free of debris
2. Always use new probe covers when calibration testing Braun
thermometers.
3. Make sure that the ear and non-contact thermometers are in
calibration mode.
4. Make sure that the thermistor thermometers are in monitor
mode.
5. If the measurement takes longer than 5 seconds, or an ERR
message appears in the display, verify the thermometer is in
calibration mode.
6. Make sure that the thermometer is not affected by any radiant
or conductive heating or cooling.
7. If no other cause is found, allow the thermometer to sit
untouched for 5 minutes before re-testing.